// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once

#include "paddle/phi/core/dense_tensor.h"
namespace phi {
template <typename T, typename Context>
void MarginCrossEntropyGradKernel(const Context& dev_ctx,
                                  const DenseTensor& logits,
                                  const DenseTensor& label,
                                  const DenseTensor& softmax,
                                  const DenseTensor& loss_grad,
                                  bool return_softmax,
                                  int ring_id,
                                  int rank,
                                  int nranks,
                                  float margin1,
                                  float margin2,
                                  float margin3,
                                  float scale,
                                  DenseTensor* logits_grad);
}  // namespace phi
